Students study the SF Bay: a great way to highlight California's Environmental Principles & Concepts

Why the bay? Well, there's a multitude of natural factors that make the bay unique and essential to our ecosystem. For one, the merging of the salt and freshwater makes the bay an estuary, promoting variability and complexity that drives the abundance of fish and other organisms (Frantzich, et al 2018). People have been benefiting from the bay's abundant resources for thousands of years, and the evidence is everywhere you look. Because of the bay's ecological significance and human history, teachers can address all of the BIG IDEAS of the California Environmental Principles and Concepts (EP&Cs) when students experience this habitat. By law, the EP&Cs must be addressed in future California te

Science in Pajamas: Salt Water Density Experiment

It can be hard to understand why salt water lets objects easily float on its surface. This salt water density science experiment will let your kids observe the water in action. Supplies Two clear containers Tap water Two eggs or pair of matching items Tablespoon Salt Instructions Fill two containers with equal amounts of tap water. In one container, add 6 tablespoons of salt, and mix well until it dissolves. Place one egg (or other item of your choosing) in the two containers. What do you see? Which water makes the item float, and which one sink? Things to discuss (from Little Bins, Little Hands) WHAT IS DENSITY? So explaining salt water density to a preschooler is not the easiest task, but

Science in Pajamas: Whale Creation

Did you know that there are whales right in our backyard? Currently, some 20,000 Gray Whales are migrating to the Bering Sea, between Alaska and Siberia, from their breeding grounds in Baja California. Throughout the year, different species of whales migrate along the Pacific coast, visible to us. To learn more about these whales, check out this link. To see the gray whales for yourself, Pigeon Point Lighthouse and Gray Whale Cove are both great, free places from land to spot some action. You can create your own mini-whales yourself with this fun DIY craft! Supplies * Jumbo Popsicle Sticks {3 per whale} * Mini Popsicle Sticks {2 per whale} * School Glue * Cardstock {a light blue and dark for

When it's summer, get ready for chondrichthyes! CREATURE FEATURE: bat ray

During the spring and summer seasons, we see an increase of cartilaginous fish populations in the SF Bay. This week's creature is the bat ray The bat ray (Myliobatis californicus ) is a fish commonly found in the eastern Pacific Ocean, ranging from Oregon, United States, to Baja California, Mexico. These animals are mostly common in shallow bays, but also occur along the open coast, around islands, kelp beds, near rocky shores and sandy beaches. Rays, sharks and skates are closely related cartilaginous fish--but what's the difference? Basically, rays and skates are flattened cartilaginous fish and rays belong to three scientific orders: Pristiformes, Myliobatiformes and Torpediniformes. Thi

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